Sprocket-chain.



SPECS APPLICATION FILED .mim 27, 1908.

F. L. MORSE.

SPROCKET CHAIN.

APPLIGATION FILED JUNI: 27, 190s.

Patented Mar. 29, 1910 '2 SHEETS-SHEET 2 y INVTOR -Unrrnn erAreM/e rer orrron To all. whom fit moy concern:

Be it known that LFRANK L. Menen, eitizen of the UnitedStates, residing et 1thaea., in the, eountgyot Tompkins and State of New York. have invented new and useful Improvements in Sproelret-Uheins, of which the pintle o1" such joint in nthree parte which increased.

bear-one upon Aanother and. extend through all ofthe platesA of `the two-adjacent links at each joint7 whereby the bearing surface be# tween the relative movable parte of `the joint, and also iteehearing strength are greatly In the accompanying drawing Figure l is a perspective view of e few linke of e chain embodying one form of my improve-A ments, two of the joint Washers being `removed to show the'pintle parte; Fig. 2 :i perspective view of one of the joint Weshers; Fig. 3 a, similar View oi the spacing member' or roller adapted to be mounted on the'pintle between the eide plat-ee; Fig. Il a similar 'View of the three pintle parte seperated; Fig. 5 e .perspective 'View of one of vthe plates of an inside link; Fig. 6 a, similar View -of one of the .platee oi? un outside linlr;A Fig'.

7 a plan View partly in horizontal section', showing a. portion of e chain having u, modim fied form of links; Fig. 8 e side elevation of the Seme; Fig. 9 e plan View partly in horizontal section or' n portion of e4 @hein showing inmorlitied form of pintles furthe jointe'i; Fig. 10e side view of the seme; Fig. 1l e. plan `View showing the links formed of straight outside. audinside plates; Fig. l2

-a eide View of the seme; und Fig. 1 3 zi porspective view of the parts of the joint. ir.- oluding lthe washers and spacing roller. seperated.

According to the construction shown iu Figs. l to 6 I have illustrated one 'form of lthe other side part of the pintlehutpemit Speeeaon of Lettere etent. lllnted Mar, 29, 1910. Application med zum er, ieee. serial No. trof/33.

my improved threefpert pintle joint as ,ep-- `plieol to the type Aof chain having linke formed of two vetreight side jointes, the plates l of each alternate link being outside .ofthe plates 2 of the edjeeent links. The pintles are shown 'formeel in -three perte comprising two similar or identical side perts and l having convex bearing sorter/ BS facing each other, eetl e central piny member 5 having two oppositely facing concave beering surfaces engaging the side pintle parts throughout their full length.y All three parte of the pintle extend .through `apertures i formed in the ends .of both ithe insie plates E?. and outside plates tot the two .adjecent links et euch joint whereby the beeringof the erts of the pintle'one upnn nntlmllex j tend the full Width of the outsidelink and?. the shearing strength of the joint is .determine/rl by. the combined sectional-leren. ofell three p intle parte.

y .The apertures et the ends 4of the inside link plates are so formed es `to hold in.. lace und turn with one ofthe-sixeiperts 'Jo pintle but permit .free movement ,of-themler parts therein, and the eperturesntthe or' the outside plates of Ithe erljaeeritlinkre, j so formed tol hold in pleee' end Lturn,nfitlti free movement the other-upintle therein; all es clearly illnstraten?9 inA Figs. l, v

5 emi S of the drawing. The pertures'in the plates :ire preferably so forrneii ltttthe eide pintle parte muy heelipped through the saine into place incl the-join-ts-reefii`ly assembled or diesenibledin e. similerinnnner et. any time cleeirefi, the central .pin ,member being protficlerl vwith n' shoulder extenrlnff'f 'through ,und riveted to nn' outeirle Washer j for holding the .parte of the chain l.together et the joints. l

The eeetionel form' of? 'theypintle `parte is einilur to vthat shown in my prior j enfling application Serial No. l'iledr ,annaryf Si, 1907, hut ueeorflingtorny presenti provement the three part pintlte jontiinpfi pliecl .in connection with un' open link type* ot chain hnringlinlrs formed. of sidepletes; spaced eport upon pintlee. The-spacing member or roller 6 ieniountetlfon the pintles" between' the two linle-plntes1or eri-f vsov 6. A drive ehan having vlinks composed mounted on the pintle between the side of side plates with apertures at their ends, plates. 1U

pntles. formed in three ,parts extending In testimony whereof I halve hereunto set through and. lateraly remevabe in Seid my hand. y

apertures, and' bearing one upon another FRANK L. MRSE. hroughout the full length of the pintle Witnesses:

parte, Washers riveted to oppositeends of R., F. Emmy, one of said pintle parts, and e. spae'ingroller WM. M. GABY. 

